Displaying 81 - 90 of 111
Hessburg, Agee
Fire was arguably the most important forest and rangeland disturbance process in the Inland Northwest United States for millennia. Prior to the Lewis and Clark expedition, fire regimes ranged from high severity with return intervals of one to five…
Type: Document
Year: 2003
Lepofsky, Heyerdahl, Lertzman, Schaepe, Mierendorf
The recent encroachment of woody species threatening many western North American meadows has been attributed to diverse factors. We used a suite of methods in Chittenden Meadow, southwestern British Columbia, Canada, to identify the human,…
Type: Document
Year: 2003
Keeley
Aim: Native American burning impacts on California shrubland dominated landscapes are evaluated relative to the natural lightning fire potential for affecting landscape patterns. Location: Focus was on the coastal ranges of central and southern…
Type: Document
Year: 2002
Rude, Jones
This bibliography is a by-product of a joint effort between the National Park Service and the USFS Fire Sciences Lab to produce a review of knowledge on fire effects on cultural resources. The bibliography does include some references on the…
Type: Document
Year: 2001
Hannon, Bradshaw, Emborg
1 The history of a forest stand over the last 6000 years has been reconstructed by studying pollen, macrofossils and charcoal from a small, wet hollow in Suserup Skov on the island of Sjaelland in eastern Denmark. 2 The earliest recorded forest was…
Type: Document
Year: 2000
Lindbladh, Bradshaw, Holmqvist
1. Two palaeoecological data sets were used to study forest development in the boreo-nemoral zone of southern Sweden during the last 3000 years. Maps of forest types present in 1250 B, AD 500 and today were compiled from regional pollen data and…
Type: Document
Year: 2000
Brown
From the text ... 'One of the first things that the English discovered about American Indians in Virginia was that they burned their wildlands. ...Four purposes for burning--agriculture, hunting, range management, and travel--would probably have…
Type: Document
Year: 2000
Stowe
The South Carolina Department of Natural Resources (DNR) acquires land in the state to protect rare species and ecosystems, and significant cultural and archaeological sites. These lands -- called heritage preserves (HPs) -- also provide outstanding…
Type: Document
Year: 1999
Hardy, Keane, Harrington
From the text...'The term restoration relates to activities required to reduce hazards from wildland fires and improve federal forest and grassland health to a condition that can be maintained through periodic disturbance. Restoration and…
Type: Document
Year: 1999
Hornberg, Ostlund, Zackrisson, Bergman
1. In northern Fennoscandia a rare forest type, characterized by Cladina species and Picea abies, occurs on dry productive sites outside the range of permafrost but close to the Scandes mountains. 2. We determined the history of vegetation…
Type: Document
Year: 1999